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Finding the Fourth Proportional to 221,365.73, 331,744.03 and 94,854.53

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Solution

The fourth proportional to 221,365.73, 331,744.03 and 94,854.53 is: 142,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,365.73 : 331,744.03 = 94,854.53 : x
  2. Step 2: Convert to fraction form
    221,365.73/331,744.03 = 94,854.53/x
  3. Step 3: Cross multiply
    221,365.73x = 331,744.03 × 94,854.53
  4. Step 4: Simplify right side
    221,365.73x = 31,467,424,045.96
  5. Step 5: Solve for x
    x = 31,467,424,045.96/221,365.73
  6. Step 6: Final answer
    x = 142,151.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.